Earths resources Flashcards
1
Q
How is soil formed?
A
Rocks are weathered, then carried away by wind or water (erosion)
then dropped (deposition). It starts to form layers.
2
Q
2 nuclear fuels
A
uranium and plutonium
3
Q
biomass energy
A
Energy obtained through waste. Can be obtained by burning, or by collecting the biogas.
4
Q
Tidal energy
A
powered by the natural rise and fall of ocean tides and currents
5
Q
ocean wave energy
A
Turbines spin as waves move in and out.
6
Q
geothermal energy
A
cold water goes down to the heat produced deep in the Earth’s core and comes back up to make energy.
